#------------------------------------------------------------------------------ #$Date: 2010-04-10 19:37:29 +0100 (Sat, 10 Apr 2010) $ #$Revision: 1071 $ #$URL: svn://www.crystallography.net/cod/cif/9/9009774.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9009774 loop_ _publ_author_name 'Kohler, T.' 'Armbruster, T.' 'Libowitzky, E.' _publ_section_title ; Hydrogen bonding and Jahn-Teller distortion in groutite, alpha-MnOOH, and manganite, gamma-MnOOH, and their relations to the manganese dioxides ramsdellite and pyrolusite Locality: Nchwaning Mine, Kalahari manganese field, Republic of South Africa Note: Uiso corrected ; _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 486 _journal_page_last 500 _journal_volume 133 _journal_year 1997 _chemical_formula_sum 'H Mn O2' _chemical_name_mineral Manganite _space_group_IT_number 14 _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _cell_angle_alpha 90 _cell_angle_beta 114.38 _cell_angle_gamma 90 _cell_length_a 5.304 _cell_length_b 5.277 _cell_length_c 5.304 _cell_volume 135.217 _exptl_crystal_density_diffrn 4.320 _[local]_cod_data_source_file cifdata.txt _[local]_cod_data_source_block 'global_12377' _[local]_cod_chemical_formula_sum_orig 'Mn O2 H' _cod_database_code 9009774 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,1/2-y,1/2+z -x,1/2+y,1/2-z -x,-y,-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Mn -0.23684 0.01033 0.75464 0.00630 O2 0.87520 0.12560 0.12060 0.00610 O1 0.37490 0.12380 0.62790 0.00830 H 0.28400 0.02700 0.72500 0.02900 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Mn 0.00451 0.00564 0.00477 0.00070 -0.00209 -0.00056 O2 0.00580 0.00670 0.00640 0.00070 0.00300 -0.00080 O1 0.00610 0.00620 0.00660 0.00010 -0.00350 -0.00040